Substantia compacta
[医] 骨密质
🧩 词语组成解析
nigra[解]黑质, 塞梅林氏神经节
[医]（蜕膜）致密层
🗣️ 情景例句
I understand, Harry.
我了解， Harry。
My brother is twice as tall as your sister.
我弟弟比你妹妹高一倍。
What about Lily? Is she wearing the same clothes?
莉莉呢？她也穿一样的衣服吗？